<!DOCTYPE html>
<!-- Any copyright is dedicated to the Public Domain.
   - http://creativecommons.org/publicdomain/zero/1.0/ -->

<html class="reftest-wait">
  <script>
  function runTest() {
    // Both Chrome and Safari do not toggle the 'open' attribute for a <details>
    // with 'display: none'.
    var summary = document.getElementById("summary");
    summary.dispatchEvent(new MouseEvent("click"));

    var details = document.getElementById("details");
    details.style.display = "block";

    document.documentElement.removeAttribute("class");
  }
  </script>
  <body onload="runTest();">
    <details id="details" style="display: none;">
      <summary id="summary">Summary</summary>
      <p>This is the details.</p>
    </details>
  </body>
</html>
